Observation of squeezed states with strong photon number oscillations
arXiv:0909.5386 · doi:10.1103/PhysRevA.81.013814
Abstract
Squeezed states of light constitute an important nonclassical resource in the field of high-precision measurements, e.g. gravitational wave detection, as well as in the field of quantum information, e.g. for teleportation, quantum cryptography, and distribution of entanglement in quantum computation networks. Strong squeezing in combination with high purity, high bandwidth and high spatial mode quality is desirable in order to achieve significantly improved performances contrasting any classical protocols. Here we report on the observation of the strongest squeezing to date of 11.5 dB, together with unprecedented high state purity corresponding to a vacuum contribution of less than 5%, and a squeezing bandwidth of about 170 MHz. The analysis of our squeezed states reveals a significant production of higher-order pairs of quantum-correlated photons, and the existence of strong photon number oscillations.
7 pages, 6 figures
References in corpus (18)
- Experimental quantum teleportation
- Free-Space distribution of entanglement and single photons over 144 km
- Generation of a superposition of odd photon number states for quantum information networks
- Observation of squeezed light with 10dB quantum noise reduction
- A Quantum-Enhanced Prototype Gravitational-Wave Detector
- Observation of -9 dB quadrature squeezing with improvement of phase stability in homodyne measurement
- Coherent control of vacuum squeezing in the Gravitational-Wave Detection Band
- Interfacing Collective Atomic Excitations and Single Photons
- Purity of Gaussian states: measurement schemes and time-evolution in noisy channels
- Experimental entanglement distillation of mesoscopic quantum states
- Quantum engineering of squeezed states for quantum communication and metrology
- Demonstration of a squeezed light enhanced power- and signal-recycled Michelson interferometer
- Preparation of distilled and purified continuous variable entangled states
- Experimental demonstration of continuous variable purification of squeezed states
- Raman-induced limits to efficient squeezing in optical fibers
- Coherent control of broadband vacuum squeezing
- Experimental characterization of Gaussian quantum communication channels
- Multiple copy distillation and purification of phase diffused squeezed states
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